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8.
Common Faults and Remedies
Serial
Error
Description
No.
Code
Er01
Absence of stop signal 1. Locator signal plug not connected.
1
Er02
Speed controller not
2
detected
Er03
Motor Hall or phase
3
fault
Er04
Rotor lock protection
4
activated
Er05
Hardware over-current
5
protection
Er07
Serial peripheral com-
6
munication error
Potential Causes
2. Locator induction position should maintain
a 1mm-1.5mm distance from the magnetic
steel.
1. Speed control device plug not connected.
2. Speed controller wiring is damaged.
1. Poor contact in nine-pin plug.
2. Motor not installed properly.
3. Faulty Hall sensor.
1. Motor overloaded.
2. Poor connection in the four-pin line be-
tween the motor and the controller.
1. Motor overloaded.
2. Signal wire is faulty or damaged.
Poor signal or connection to the system
board.
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